1041541domain: NAppears in sequencesNumber of increasing rooted connected graphs where every block is a complete graph.at n=8A007549Quasi-Carmichael numbers to exactly four bases.at n=29A257754Triangle read by rows, inverse Bell transform of the complementary Bell numbers (A000587); T(n,k) for n>=0 and 0<=k<=n.at n=46A264436